Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual data tem o formato de cd?
 ###Tabelas: CREATE TABLE nhl_draft (nhl_draft_id AUTO_INCREMENT PRIMARY KEY, Round INT, Pick INT, Player VARCHAR, Nationality VARCHAR, College/Junior/Club team VARCHAR) CREATE TABLE release_history (release_history_id AUTO_INCREMENT PRIMARY KEY, Region VARCHAR, Date VARCHAR, Label VARCHAR, Format VARCHAR, Catalog VARCHAR) CREATE TABLE composition_of_the_14th_seanad (composition_of_the_14th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE a-link_express (a-link_express_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, Codename VARCHAR, Released VARCHAR, Fab ( nm ) INT, SATA VARCHAR, USB 2.0+1.1 VARCHAR, USB 3.0 VARCHAR, Parallel ATA 1 VARCHAR, RAID INT, Gb Ethernet MAC VARCHAR, Package VARCHAR, TDP ( W ) INT) CREATE TABLE third_round_saturday (third_round_saturday_id AUTO_INCREMENT PRIMARY KEY, Place VARCHAR, Player VARCHAR, Country VARCHAR, Score VARCHAR, To par VARCHAR)  
SELECT Date FROM release_history WHERE Format = cd